They're anxious to speak to delivery and truck drivers who may have been in the area.
Gardaí in Offaly are investigating a burglary in Birr in the early hours of this morning.
The Spar/Supermacs premises on the Railway Road was broken into at around 4am.
Birr Gardaí are appealing to anyone who may have seen a black BMW 1 series in the Emmet Square area between 3.45 and 4.10 this morning.
They say they're anxious to speak anyone who may have dash cam footage, particularly truck and delivery drivers.